AQ Index for Colusa County, California

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Air Quality Index for Colusa County, California

The area with the highest AQ Index (as of 23:00 PDT) in is in the Yuba City and Marysville area. Particle Pollution (PM2.5) is measuring at 68 (Moderate). This means air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Over the next few days, the highest primary air pollutant will be Ozone (OZONE) in the Yuba City and Marysville area. It is forecasted to be 80 (Moderate), meaning air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Below is a clickable map of Colusa County, California. The markers on the map identify large, populated cities. If you hover over a marker, it will display the city name and the current AQ index. The color of the city markers also references the current AQ risk level.

Range	0 - 50	51 - 100	101 - 150	151 - 200	201 - 300	301 - 500
Color
Category	Good	Moderate	Unhealthy for Sensitive Groups	Unhealthy	Very Unhealthy	Hazardous

AQ Index Forecast by City in Colusa County

Below is a list of cities in Colusa County where we track and forecast the AQ index. Click on a city name to get the current AQ index as well as any available forcasts.

Colusa	Williams	Arbuckle	Maxwell	Grimes
Princeton	College City	Lodoga	Stonyford